<template>
  <div>
    <audio @timeupdate="updateProgress" controls ref="audioRef" style="display: none">
      <source :src="audioUrl" type="audio/mpeg" />
      您的浏览器不支持音频播放
    </audio>
    <div class="audio_right">
      <!--  播放暂停  -->
      <img v-if="!audioIsPlay" @click="playAudio" class="audio_icon" src="@/assets/CloudMusic.png" alt="播放" />
      <img v-if="audioIsPlay" @click="playAudio" class="audio_icon" src="@/assets/music.png" alt="暂停" />
      <!--   进度条   -->
      <el-slider class="slider_box" v-model="currentProgress" :show-tooltip="false" @input="handleProgressChange" />
      <!--   播放时间   -->
      <div class="audio_time">
        <span class="audio_current">{{ audioStart }}</span> &nbsp;/&nbsp;
        <span class="audio_total">{{ durationTime }}</span>
      </div>
      <div class="volume">
        <!--    调整声音大小    -->
        <div class="volume_progress" v-show="audioHuds">
          <el-slider vertical height="100px" class="volume_bar" v-model="audioVolume" :show-tooltip="false"
                     @change="handleAudioVolume" />
        </div>
        <!--   声音   -->
        <img class="volume_icon" v-if="audioVolume <= 0" @click.stop="audioHuds = !audioHuds" src="@/assets/music.png"
             alt="" />
        <img class="volume_icon" v-if="audioVolume > 0" @click.stop="audioHuds = !audioHuds" src="@/assets/QQMusic.png"
             alt="" />
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref, onMounted, watch } from 'vue'

const props = defineProps({
  audioUrl: String,        //试听的链接
  isPauseTtsAudio: Boolean     //是否暂停播放试听
})
const audioIsPlay = ref(true) //音频是否在播放
const audioStart = ref('0:00')
const durationTime = ref('0:00') //音频的总时长，显示的时间格式
const duration = ref(0) //音频的总时长
const audioVolume = ref(80) //音量的默认值是0.8
const audioHuds = ref(false) //是否显示音量slider
const audioRef = ref(null)
const currentProgress = ref(0)

watch(() => props.isPauseTtsAudio, (newVal, oldVal) => {
  if (newVal) {
    // 如果 isPauseTtsAudio 为 true，试听暂停
    handleCloseMusic()
  }
})

function handleCloseMusic() {
  audioRef.value.pause()
  audioIsPlay.value = true
}

onMounted(() => {
  calculateDuration()
})

// 获取音频时长
function calculateDuration() {
  var myVid = audioRef.value
  myVid.loop = false
  myVid.src = props.audioUrl
  // 监听音频播放完毕
  myVid.addEventListener(
    'ended',
    function() {
      audioIsPlay.value = true
      currentProgress.value = 0
    },
    false
  )
  if (myVid != null) {
    myVid.oncanplay = function() {
      duration.value = myVid.duration // 计算音频时长
      durationTime.value = transTime(myVid.duration) //换算成时间格式
    }
    myVid.volume = 0.8 // 设置默认音量50%
    // 进入页面默认开始播放
    audioRef.value.play()
    audioIsPlay.value = false
  }
}

// 音频播放时间换算
function transTime(duration) {
  const minutes = Math.floor(duration / 60)
  const seconds = Math.floor(duration % 60)
  const formattedMinutes = String(minutes).padStart(2, '0') //padStart(2,"0") 使用0填充使字符串长度达到2
  const formattedSeconds = String(seconds).padStart(2, '0')
  return `${formattedMinutes}:${formattedSeconds}`
}

// 播放暂停控制
function playAudio() {
  if (audioRef.value.paused) {
    audioRef.value.play()
    audioIsPlay.value = false
  } else {
    audioRef.value.pause()
    audioIsPlay.value = true
  }
}

// 根据当前播放时间，实时更新进度条
function updateProgress(e) {
  var value = e.target.currentTime / e.target.duration
  if (audioRef.value.play) {
    currentProgress.value = value * 100
    audioStart.value = transTime(audioRef.value.currentTime)
  }
}

//调整播放进度
const handleProgressChange = (val) => {
  console.log(val)
  if (!val) {
    return
  }
  let currentTime = duration.value * (val / 100)
  // 更新音频的当前播放时间
  audioRef.value.currentTime = currentTime
}
//调整音量
const handleAudioVolume = (val) => {
  audioRef.value.volume = val / 100
}
</script>

<style lang="scss" scoped>
.audio_right {
  width: 230px;
  height: 40px;
  display: flex;
  align-items: center;
  background: linear-gradient(to left, #2e7bff 0%, #8ee7ff 100%);
  border-radius: 4px;
  padding: 0 10px;
  box-sizing: border-box;
  position: relative;

  .slider_box {
    width: 160px;
    height: 4px;
    border-radius: 5px;
    background-color: #f1f1f1;
    flex: 1;
    margin: 0 8px 4px;
  }

  .audio_icon {
    width: 20px;
    height: 20px;
    margin-bottom: 4px;
    cursor: pointer;
  }

  .audio_time {
    color: #f1f1f1;
    overflow: hidden;
    font-size: 12px;
    position: absolute;
    bottom: 3px;
    left: 80px;

    .audio_total {
      float: right;
    }

    .audio_current {
      float: left;
    }
  }
}

.volume {
  position: relative;

  .volume_progress {
    width: 32px;
    height: 140px;
    position: absolute;
    top: -142px;
    right: -4px;
  }

  .volume_bar {
    background: #fff;
    border-radius: 4px;
  }

  .volume_icon {
    width: 24px;
    height: 24px;
    cursor: pointer;
  }
}
</style>
<style lang="scss">
.el-slider__button-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.slider_box,
.volume_bar {
  .el-slider__button {
    width: 8px;
    height: 8px;
    border: none;
  }

  .el-slider__bar {
    background: #00db15;
  }
}

.slider_box {
  .el-slider__button-wrapper {
    width: 8px;
  }
}

.volume_bar {
  .el-slider__runway {
    margin: 0 14px !important;
  }
}
</style>

